Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2003AVALANCHE 1500 2WD V8-5.3L VIN TREPAIR AND DIAGNOSISBODY AND FRAMELOCKSKEYLESS ENTRYKEYLESS ENTRY TRANSMITTERKEYLESS ENTRY TRANSMITTER BATTERYSERVICE AND REPAIR
2003 Chevrolet Avalanche 1500 2WD V8-5.3L VIN T
Keyless Entry Transmitter Battery: Service and Repair
2003 Chevrolet Avalanche 1500 2WD V8-5.3L VIN TSECTION Service and Repair
TRANSMITTER BATTERY REPLACEMENT
REMOVAL PROCEDURE
Under normal use, the battery in the transmitter will last about 2 years. For battery replacement, use a Panasonic(r) 3 volt, type CR2032, or equivalent.
1. Open the transmitter case and perform the following steps:
1.1. Insert a dime between the 2 halves of the transmitter near the key ring hole.
1.2. Twist the dime.
2. Remove the battery.
INSTALLATION PROCEDURE
1. Install the battery with the (+) positive side down.
2. Close the transmitter case and perform the following steps:
2.1. Align the top and bottom covers.
2.2. Press together the top and the bottom covers.
2.3. Inspect the operation of the transmitter.
3. Synchronize the transmitter. Refer to Transmitter Synchronization.
REMOVAL PROCEDURE
Under normal use, the battery in the transmitter will last about 2 years. For battery replacement, use a Panasonic(r) 3 volt, type CR2032, or equivalent.
1. Open the transmitter case and perform the following steps:
1.1. Insert a dime between the 2 halves of the transmitter near the key ring hole.
1.2. Twist the dime.
2. Remove the battery.
INSTALLATION PROCEDURE
1. Install the battery with the (+) positive side down.
2. Close the transmitter case and perform the following steps:
2.1. Align the top and bottom covers.
2.2. Press together the top and the bottom covers.
2.3. Inspect the operation of the transmitter.
3. Synchronize the transmitter. Refer to Transmitter Synchronization.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.